Use std::thread::hardware_concurrency, instead of Boost, to determine available cores

1 files changed, 2 insertions, 5 deletions

diff --git a/src/util.cpp b/src/util.cpp
index a3e4b0acfb..9305491883 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -77,6 +77,7 @@
 #include <openssl/crypto.h>
 #include <openssl/rand.h>
 #include <openssl/conf.h>
+#include <thread>
 
 // Application startup time (used for uptime calculation)
 const int64_t nStartupTime = GetTime();
@@ -891,11 +892,7 @@ bool SetupNetworking()
 
 int GetNumCores()
 {
-#if BOOST_VERSION >= 105600
-    return boost::thread::physical_concurrency();
-#else // Must fall back to hardware_concurrency, which unfortunately counts virtual cores
-    return boost::thread::hardware_concurrency();
-#endif
+    return std::thread::hardware_concurrency();
 }
 
 std::string CopyrightHolders(const std::string& strPrefix)